Home
Class 12
PHYSICS
Two monochromatic and coherent point sou...

Two monochromatic and coherent point sources of light are placed at a certain distance from each other in the horizontal plane. The locus of all thos points in the horizontal plane which have constructive interference will be-

A

A hyperbola

B

family of hyperbola

C

family of straight lines

D

family of parabolas

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • WAVE OPTICS

    ALLEN |Exercise Exercise 2 (Brain Teasures)|22 Videos

  • WAVE OPTICS

    ALLEN |Exercise Exercise 3 (Miscellaneous type Questions)|27 Videos

  • WAVE OPTICS

    ALLEN |Exercise Example 15|1 Videos

  • UNIT & DIMENSIONS, BASIC MATHS AND VECTOR

    ALLEN |Exercise Exercise (J-A)|7 Videos

Similar Questions

Explore conceptually related problems

A point charge +q, is placed at a distance d from an isolated conducting plane. The field at a point P on the other side of the plane is

Two small and heavy spheres, each of mass M, are placed a distance r apart on a horizontal surface. The graviational potential at the mid-point on the line joining the centre of the spheres is :-

A point source of light S is placed in front of two large mirros as shown .Which of the following observes will see only one image of S?

Two monochromatic (wavelength =a//5 ) and coherent sources of electromagnetic waves are placed on the x-axis at the point (2a,0) and (-a,0) . A detector moves in a circle of radius R(gt gt 2a) whose centre is at te origin. The number of maximas detected during one circular revolution by the deterctor are -

The figure shows a uniform rod lying along the x -axis. The locus of all the points lying on the xy -plane, about which the moment of inearth, of the rod is same as that about O , is

The following objects are placed one after each other in given order onto a central axis with a separation of 40 cm each. A point source of light O. a diverging lens of focal length 40 cm. a converging lens of focal length 40 cm and converging mirror of focal length 80 cm. The aperture diameter of lenses and mirror is d=20 cm . If a point source of light is placed at a perpendicular distance of x from central axis then. (You have to consider single optical event at any optical element) Mark the CORRECT statement(s):-

The following objects are placed one after each other in given order onto a central axis with a separation of 40 cm each. A point source of light O. a diverging lens of focal length 40 cm. a converging lens of focal length 40 cm and converging mirror of focal length 80 cm. The aperture diameter of lenses and mirror is d=20 cm. If a point source of light is placed at a perpendicular distance of x from central axis then. (You have to consider single optical event at any optical element) Mark the CORRECT statement(s):-

Two identical discs of same radius R are rotating about their axes in opposite directions with the same constant angular speed omega . The discs are in the same horizontal plane. At time t = 0 , the points P and Q are facing each other as shown in the figure. The relative speed between the two points P and Q is v_(r) . In one time period (T) of rotation of the discs , v_(r) as a function of time is best represented by

A particle is projected horizontally with speed u from the top of a plane inclined at an angle theta with the horizontal. How far from the point of projection will the particle strike the plane?

Write the answer of each of the following questions : Write name of the point where horizontal and the vertical lines drawn to determine the position of any point in the Cartesian plane intersect.

ALLEN -WAVE OPTICS-Exercise 1 (Check your Grasp)
  1. For the sustained interference of light, the necessary condition is th...

    Text Solution

    |

  2. If the ratio of the intensity of two coherent sources is 4 then the vi...

    Text Solution

    |

  3. Two monochromatic and coherent point sources of light are placed at a ...

    Text Solution

    |

  4. If the distance between the first maxima and fifth minima of a double-...

    Text Solution

    |

  5. In Young's slit experiment, if the distance between two slits is halve...

    Text Solution

    |

  6. 92 fringes are obtained in the definite distance R on screen by Young'...

    Text Solution

    |

  7. In Young's experiment one slit is covered with a blue filter and the o...

    Text Solution

    |

  8. In Young's experiment if mica disc of thickness t and refractive index...

    Text Solution

    |

  9. In Young's double slit experiment if monochromatic light is replaced b...

    Text Solution

    |

  10. In the Young's double slit experiment the central maxima is observed t...

    Text Solution

    |

  11. As shown in the right figure, a point light source is placed at distan...

    Text Solution

    |

  12. If one of the two slits of Young's double-slit experiment is painted s...

    Text Solution

    |

  13. InYDSE,how many maxima can be obtained on the screen if wavelength of ...

    Text Solution

    |

  14. In YDSE, the source placed symmetrically with respect to the slit is n...

    Text Solution

    |

  15. A light wave travels through three transparent materials of equal thic...

    Text Solution

    |

  16. In YDSE if a slab whose refractive index can be varied is placed in fr...

    Text Solution

    |

  17. In a double slit experiment, instead of taking slits of equal widths, ...

    Text Solution

    |

  18. A ray of light is incident on a thin film, As shown in figure, M and N...

    Text Solution

    |

  19. Let S(1) and S(2) be the two slits in Young's double-slit experiment. ...

    Text Solution

    |

  20. When light is refracted into a medium

    Text Solution

    |